// Copyright 2018 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef V8_SNAPSHOT_READ_ONLY_SERIALIZER_H_
#define V8_SNAPSHOT_READ_ONLY_SERIALIZER_H_

#include "src/snapshot/roots-serializer.h"

namespace v8 {
namespace internal {

    class HeapObject;
    class SnapshotByteSink;

    class V8_EXPORT_PRIVATE ReadOnlySerializer : public RootsSerializer {
    public:
        explicit ReadOnlySerializer(Isolate* isolate);
        ~ReadOnlySerializer() override;

        void SerializeReadOnlyRoots();

        // Completes the serialization of the read-only object cache and serializes
        // any deferred objects.
        void FinalizeSerialization();

        // If |obj| can be serialized in the read-only snapshot then add it to the
        // read-only object cache if not already present and emit a
        // ReadOnlyObjectCache bytecode into |sink|. Returns whether this was
        // successful.
        bool SerializeUsingReadOnlyObjectCache(SnapshotByteSink* sink,
            HeapObject obj);

    private:
        void SerializeObject(HeapObject o) override;
        bool MustBeDeferred(HeapObject object) override;

        DISALLOW_COPY_AND_ASSIGN(ReadOnlySerializer);
    };

} // namespace internal
} // namespace v8

#endif // V8_SNAPSHOT_READ_ONLY_SERIALIZER_H_
